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DIAMETER Ø 0.6 - 0.9
•
Disconnect the torch from the machine.
•
Place it on a flat surface and carefully remove
the brass nut (1).
•
Pull the liner out of the hose.
•
Install the new liner and mount the brass nut
(1) again. Verify that liner head reaches the
torch tip.
•
Connect the torch to the machine and install
the wire into the feeding system.
•
In case you are replacing a Teflon or graphite
wire liner, follow these instructions:
•
Install the new liner and insert the wire liner
collet (3) and the O ring (4).
•
Mount the brass nut (1).
•
At least 20cm of teflon liner have to come out
of the brass nut.
•
Remove the brass pin on the Euro connector
(keep it apart to use it with steel wire liners).
•
Tightly and carefully connect the torch to the
Euro connector.
•
Cut the wire liner 1mm from the wire feed
roll.
•
Install the welding wire into the feeding sy-
stem.
Warning: the length of the new wire liner
must be the same of the liner you have just
pulled out of the hose.
1
1
2
steel
1
4 3 2
graphite
GRAFITE
Figure 14 - Wire Liner Assembly
ALUMINUM WELDING
The machine will be set up as for mild steel except
for the following changes:
•
100% ARGON as welding protective gas.
•
Ensure that your torch is set up for aluminium
welding:
1.
The lenght of the torch should not exceed 3m
(it is advisable not to use longer torches).
2.
Install a teflon or graphite wire liner with cop-
per or brass terminal (follow the instructions
for the renewing of the wire liner at paragraph
REPLACING THE WIRE LINER).
3.
Ensure that drive rolls are suitable for alumi-
nium wire.
4.
Use contact tips that are suitable for alumi-
nium wire and make sure that the diameter
of the contact tip hole corresponds to the wire
EN-12
RED
YELLOW
1.0 - 1.2
1.2 - 1.6
diameter that is going to be used. To obtain a
high duty cycle without wire feeding problems
it is advisable to install the gas diffuser, the
contact tip with 8mm thread and the nozzle.
For easy welding of Aluminium and good quality
welding results it is advisable to work in Pulsed Mode.
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